Russian President Vladimir Putin has declared a state of emergency after an accident at a plant operated by a subsidiary of top nickel and palladium producer Norilsk Nickel (Nornickel) caused a leak of 20,000 tonnes of diesel oil into a river within the Arctic Circle.
Damage to a diesel fuel storage tank at a power plant operated by Norilsk-Taymyr Energy Co (NTEC) resulted in a leak near the Siberian city of Norilsk. "The accident was caused by a sudden sinking of supporting...